Brazilian Paraiba tourmaline in quartz 0.819ct loose
Sale price¥15,800
Brazilian Santa Maria Aquamarine 0.158ct loose
Sale price¥6,980
K18YG American Benitoite 0.17ct Brazilian Paraiba Tourmaline Ring
Sale price¥128,000
Paraiba tourmaline from Brazil 0.129ct loose (Cu:0.6%,MnO:0.9%)
Sale price¥29,800
Brazilian dumortierite in quartz 6mm/0.852ct loose
Sale price¥12,800
Paraiba tourmaline from Brazil 0.039ct loose (CuO:1.5%, MnO:2.0%)
Sale price¥24,800
Paraiba tourmaline from Brazil 0.032ct loose (CuO:2.2%, MnO:1.8%)
Sale price¥25,800
Paraiba tourmaline from Brazil 0.062ct loose (CuO:1.4%, MnO:1.5%)
Sale price¥39,800
Brazilian dumortierite in quartz 0.731ct loose
Sale price¥8,800
Brazilian dumortierite in quartz 0.496ct loose
Sale price¥6,580
Brazilian dumortierite in quartz 0.506ct loose
Sale price¥7,980
Brazilian dumortierite in quartz 0.309ct loose
Sale price¥4,980
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 3.089ct loose
Sale price¥11,000
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 4.626ct loose
Sale price¥16,800
Brazilian imperial topaz 0.359ct loose
Sale price¥15,800
Brazilian imperial topaz 2.093ct loose
Sale price¥29,800
Brazilian dumortierite in quartz 1.517ct loose
Sale price¥12,800
Brazilian dumortierite in quartz 3.247ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 1.796ct loose
Sale price¥15,800
Brazilian dumortierite in quartz 2.227ct loose
Sale price¥18,800
Brazilian dumortierite in quartz 2.443ct loose
Sale price¥24,800
Brazilian dumortierite in quartz 1.142ct loose
Sale price¥9,800
Brazilian unheated particolor Paraiba tourmaline 0.84ct loose GIA
Sale price¥2,580,000
Paraiba tourmaline from Brazil 0.229ct loose
Sale price¥298,000
Brazilian dumortierite in quartz 3.814ct raw stone
Sale price¥3,980
Brazilian Dumortierite in Quartz 2.932ct loose
Sale price¥25,800
Brazilian dumortierite in quartz 1.894ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.117ct loose
Sale price¥19,800
Brazilian dumortierite in quartz 1.186ct loose (faceted cut)
Sale price¥12,800
Brazilian dumortierite in quartz 0.986ct loose (faceted cut)
Sale price¥12,800
Brazilian dumortierite in quartz 1.678ct loose (faceted cut)
Sale price¥18,800
Brazilian dumortierite in quartz 2.625ct loose (faceted cut)
Sale price¥26,800
Brazilian dumortierite in quartz 1.971ct loose (faceted cut)
Sale price¥19,800
Brazilian dumortierite in quartz 1.390ct loose (faceted cut)
Sale price¥15,800
Brazilian dumortierite in quartz 1.573ct loose (faceted cut)
Sale price¥18,800
Brazilian dumortierite in quartz 0.993ct loose (faceted cut)
Sale price¥9,800
Brazilian dumortierite in quartz 1.906ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 2.227ct loose (faceted cut)
Sale price¥25,800
Brazilian dumortierite in quartz 0.979ct loose (faceted cut)
Sale price¥14,800
Brazilian dumortierite in quartz 1.060ct loose (faceted cut)
Sale price¥15,800
Brazilian ametrine 8.849ct loose
Sale price¥12,800
Brazilian Tinkerbell Quartz (Pink Fire Quartz) 5.326ct loose
Sale price¥19,800
Paraiba tourmaline from Brazil 0.132ct loose (CuO:2.1%.MnO:2.2%)
Sale price¥188,000
Paraiba tourmaline from Brazil 0.038ct loose
Sale price¥29,800
Paraiba tourmaline from Brazil 0.043ct loose
Sale price¥39,800
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.